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Subject: Re: [PATCH v2 2/5] clk: mediatek: modify MT7622 audsys to adapt MFD
 device
To:     Ryder Lee <ryder.lee@mediatek.com>,
        Stephen Boyd <sboyd@codeaurora.org>,
        Rob Herring <robh+dt@kernel.org>
Cc:     Mark Brown <broonie@kernel.org>, Lee Jones <lee.jones@linaro.org>,
        linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org,
        devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-clk@vger.kernel.org, Garlic Tseng <garlic.tseng@mediatek.com>
References: <cover.1515639336.git.ryder.lee@mediatek.com>
 <d6669277f5232446b4798a6b724074b18d5c21aa.1515639336.git.ryder.lee@mediatek.com>
From:   Matthias Brugger <matthias.bgg@gmail.com>
Message-ID: <72058f8d-c83d-d0e6-dc07-83c9f5fc2710@gmail.com>
Date:   Sat, 3 Feb 2018 15:26:10 +0100
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On 01/31/2018 08:42 AM, Ryder Lee wrote:
> As the new MFD parent is in place, switch probing method to adapt it.
> 
> Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
> ---
>  drivers/clk/mediatek/clk-mt7622-aud.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/clk/mediatek/clk-mt7622-aud.c b/drivers/clk/mediatek/clk-mt7622-aud.c
> index 13f752d..8c18536 100644
> --- a/drivers/clk/mediatek/clk-mt7622-aud.c
> +++ b/drivers/clk/mediatek/clk-mt7622-aud.c
> @@ -142,11 +142,12 @@ static int clk_mt7622_audiosys_init(struct platform_device *pdev)
>  {
>  	struct clk_onecell_data *clk_data;
>  	struct device_node *node = pdev->dev.of_node;
> +	struct device_node *pnode = pdev->dev.parent->of_node;
>  	int r;
>  
>  	clk_data = mtk_alloc_clk_data(CLK_AUDIO_NR_CLK);
>  
> -	mtk_clk_register_gates(node, audio_clks, ARRAY_SIZE(audio_clks),
> +	mtk_clk_register_gates(pnode, audio_clks, ARRAY_SIZE(audio_clks),

We will need a fallback here for older device tree bindings.

Regards,
Matthias

>  			       clk_data);
>  
>  	r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
>